Can someone please explain how to turn a degree into a radian fraction? I have no clue how and I have to take a test soon. The lesson does not explain very well and there are no calculators I can find that do it.

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x